Download Celebrate the Windows 10 ‘ninjacat’ meme with new Microsoft desktop Wallpaper from the all Widescreen (4K 5K 8K Ultra HD resolutions) for mobiles, tablets and desktops devices with Microsoft Windows / Apple iOS & MacOS / Android / Linux and other devices. Celebrate the Windows 10 ‘ninjacat’ meme with new Microsoft desktop Wallpaper is part of the Narwhale collection.